[INFO] fetching crate system76-oled 0.1.4...
[INFO] checking system76-oled-0.1.4 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate system76-oled 0.1.4 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate system76-oled 0.1.4 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate system76-oled 0.1.4
[INFO] finished tweaking crates.io crate system76-oled 0.1.4
[INFO] tweaked toml for crates.io crate system76-oled 0.1.4 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate system76-oled 0.1.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hermit-abi v0.1.12
[INFO] [stderr]   Downloaded inotify-sys v0.1.3
[INFO] [stderr]   Downloaded libdbus-sys v0.2.1
[INFO] [stderr]   Downloaded inotify v0.7.0
[INFO] [stderr]   Downloaded x11 v2.18.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d5b4fb2211e5be7746ff7f9399e043435fdb0a54e0f5cf386c76e680bd936533
[INFO] running `Command { std: "docker" "start" "-a" "d5b4fb2211e5be7746ff7f9399e043435fdb0a54e0f5cf386c76e680bd936533", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5b4fb2211e5be7746ff7f9399e043435fdb0a54e0f5cf386c76e680bd936533", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5b4fb2211e5be7746ff7f9399e043435fdb0a54e0f5cf386c76e680bd936533", kill_on_drop: false }`
[INFO] [stdout] d5b4fb2211e5be7746ff7f9399e043435fdb0a54e0f5cf386c76e680bd936533
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f46bee7c1f01216651f34c8a7718686ccaa6f4cbd5c77362886f85896bc53fe8
[INFO] running `Command { std: "docker" "start" "-a" "f46bee7c1f01216651f34c8a7718686ccaa6f4cbd5c77362886f85896bc53fe8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]    Compiling libdbus-sys v0.2.1
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking dbus v0.6.5
[INFO] [stderr]     Checking inotify v0.7.0
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking system76-oled v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.38s
[INFO] running `Command { std: "docker" "inspect" "f46bee7c1f01216651f34c8a7718686ccaa6f4cbd5c77362886f85896bc53fe8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f46bee7c1f01216651f34c8a7718686ccaa6f4cbd5c77362886f85896bc53fe8", kill_on_drop: false }`
[INFO] [stdout] f46bee7c1f01216651f34c8a7718686ccaa6f4cbd5c77362886f85896bc53fe8
[INFO] checking system76-oled-0.1.4 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate system76-oled 0.1.4 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate system76-oled 0.1.4 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6-tc2/source/rust-toolchain
[INFO] started tweaking crates.io crate system76-oled 0.1.4
[INFO] finished tweaking crates.io crate system76-oled 0.1.4
[INFO] tweaked toml for crates.io crate system76-oled 0.1.4 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate system76-oled 0.1.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fadbd224c260723549c07a3e6ac1ef7ed088abdaca32336197917053d03cab3f
[INFO] running `Command { std: "docker" "start" "-a" "fadbd224c260723549c07a3e6ac1ef7ed088abdaca32336197917053d03cab3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fadbd224c260723549c07a3e6ac1ef7ed088abdaca32336197917053d03cab3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fadbd224c260723549c07a3e6ac1ef7ed088abdaca32336197917053d03cab3f", kill_on_drop: false }`
[INFO] [stdout] fadbd224c260723549c07a3e6ac1ef7ed088abdaca32336197917053d03cab3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9017c53b5159cc9d524c4fcfe3f4e680496418bbce88ded5b77001012f57641c
[INFO] running `Command { std: "docker" "start" "-a" "9017c53b5159cc9d524c4fcfe3f4e680496418bbce88ded5b77001012f57641c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling libdbus-sys v0.2.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dbus v0.6.5
[INFO] [stderr]     Checking inotify v0.7.0
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking system76-oled v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.83s
[INFO] running `Command { std: "docker" "inspect" "9017c53b5159cc9d524c4fcfe3f4e680496418bbce88ded5b77001012f57641c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9017c53b5159cc9d524c4fcfe3f4e680496418bbce88ded5b77001012f57641c", kill_on_drop: false }`
[INFO] [stdout] 9017c53b5159cc9d524c4fcfe3f4e680496418bbce88ded5b77001012f57641c